EP2585769B1 - Chauffe-eau instantané électrique - Google Patents

Chauffe-eau instantané électrique Download PDF

Info

Publication number
EP2585769B1
EP2585769B1 EP11724587.8A EP11724587A EP2585769B1 EP 2585769 B1 EP2585769 B1 EP 2585769B1 EP 11724587 A EP11724587 A EP 11724587A EP 2585769 B1 EP2585769 B1 EP 2585769B1
Authority
EP
European Patent Office
Prior art keywords
water
housing
cold water
holes
water inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11724587.8A
Other languages
German (de)
English (en)
Other versions
EP2585769A2 (fr
Inventor
Herbert Kusstatscher
Michael Gruber
Gebhard Mayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2585769A2 publication Critical patent/EP2585769A2/fr
Application granted granted Critical
Publication of EP2585769B1 publication Critical patent/EP2585769B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/101Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
    • F24H1/102Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
    • F24H1/103Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance with bare resistances in direct contact with the fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/12Arrangements for connecting heaters to circulation pipes
    • F24H9/13Arrangements for connecting heaters to circulation pipes for water heaters
    • F24H9/139Continuous flow heaters

Definitions

  • the present invention relates to an electric instantaneous water heater for heating water according to the preamble of claim 1, comprising a housing and a housing arranged in the heating block, which can be traversed by the water and having a water inlet and a water outlet with a cold water inlet or . are in fluid communication with a hot water outlet of the housing.
  • Electric instantaneous water heaters are referred to according to their vertical mounting position as an over-table unit or as a sub-table unit.
  • the cold water inlet and the hot water outlet are arranged below the transverse axis of the water heater in a lower housing area and, in the case of under-counter appliances, above the transverse axis in an upper housing area.
  • undercounters are positioned in a head position over-table devices.
  • the object of the present invention is to provide an electric instantaneous water heater, which eliminates the aforementioned disadvantages and is the same in both over-table and undertable execution.
  • An inventive electric instantaneous water heater for heating water has a housing and a housing arranged in the heating block, which can be traversed by the water and having a water inlet and a water outlet, which are in fluid communication with a cold water inlet or a hot water outlet of the housing.
  • the housing in a vertical mounting position on an upper and a lower pair of holes whose holes are assigned to each of the cold water inlet and the hot water supply, with an internal piping system for fluid interconnection of positioned in the respective bore housing-side cold water inlet with the heater block side water inlet and the heater block side Water outlet is provided with the positioned in the respective bore housing-side hot water outlet.
  • the internal piping system is provided within the housing of the electrical instantaneous water heater in such a way that it is considered as a component integrated in the device.
  • the vertical mounting position of the water heater does not need to be changed in order to perform this as an over-table or under-counter variant.
  • the pairs of holes in combination with the piping system allows the installation of the cold water inlet and the cold water outlet depending on the selected device variant in an upper and a lower housing area without a respective side change, so that the cold water inlet according to usual fittings always on a right side of the housing and the hot water outlet always on a left side of the housing is positioned.
  • the instantaneous water heater according to the invention is thus in Unterstonaus entry not located in a top position Koch ancient, whereby the installation is considerably simplified compared to known under counter devices.
  • the instantaneous water heater according to the invention Can be used in particular as a replacement device, since it can be flexibly transferred from a table version to a table version and vice versa, without the risk of incorrect interconnection, since the page assignment of the housing-side water connections is not changed.
  • the cold water inlet and the hot water outlet are designed as connecting pieces, which are releasably secured in the holes by means of positive locking. As a result, they can be used without tools in the respective hole pair and the transfer of the water heater from one to the other device variant is simplified.
  • the tubing system has at least two displaceable tubes, one tube of which provides fluid communication between the cold water inlet and the water inlet, and the other tube provides fluid communication between the water outlet and the hot water outlet.
  • the tubing system includes two flexible tubing, one of which tubing providing fluid communication between the cold water inlet and the water inlet and the other tubing providing fluid communication between the water outlet and the hot water spout.
  • the hoses preferably have a length such that both bore pairs can be controlled with them, so that a change of the hoses is not necessary with changing embodiment variant.
  • the hoses are to be solved only on the housing side and to lead to the now the cold water inlet and the hot water spout receiving holes. Loosening the hoses heater block side is not required because of their flexibility and preferred length.
  • the heating block-side water inlet and water outlet are positioned in the region of the transverse axis of the heating block.
  • the Water inlet and the water outlet can also be arranged above the heating block, so that the heating block is then completely filled with water.
  • the bore pairs are introduced in opposite side walls of the housing in one embodiment.
  • the installation can be further simplified if the holes of the pairs of holes are evenly spaced and form two common bore axes.
  • the present invention is particularly suitable for the flexible use of a continuous flow heater as a table top version or as an over-table version.
  • FIG. 1 shows an electric instantaneous water heater 1 according to the invention, in particular in bare wire technology, for heating water in a vertical mounting position as an over-table device, in which it is positioned above not shown wall-side fittings. It has a housing 2 for wall mounting and arranged in the housing 2 heating block 4, in which a heating section, not shown, is formed.
  • the housing 2 has two spaced tabs 6, 8 for attachment to a wall and four holes 10, 12, 14, 16, which are each combined to form a pair of holes and two of which holes 10, 12 in a lower housing portion 18 and two holes 14, 16 in an upper housing area 20 are arranged.
  • the bore pairs are formed in a lower side wall 22 and an upper side wall 24 of the housing 2.
  • the two holes 10, 12 and 14, 16 of the pairs of holes are each spaced at an equal distance from each other and form two bore axes 26, 28 which extend parallel to the vertical axis 30 of the water heater 1.
  • the holes 10, 12, 14, 16 can each be occupied with a cold water connection pipe 32 and a hot water connection piece 34, which serve as a cold water inlet or hot water outlet.
  • the unoccupied holes 10, 12 and 14, 16 are preferably closed with a lid, not shown.
  • the lower right bore 10 is occupied by the cold water connection pipe 32 and the lower left bore 12 with the hot water connection piece 34, this orientation or page assignment of the housing-side connecting pieces 32, 34 corresponds to the usual wall-mounted fittings, so that the instantaneous water heater 1 according to the invention can be connected to the fittings.
  • the connecting pieces 32, 34 are held in the bores 10, 12 via a positive connection and each have an end portion 36, with which they protrude into the housing 2 and an outer male threaded portion 38 for connection of a water pipe side fitting.
  • the heating block 4 defines the heating path for heating the water, which is formed from a plurality of meandering heating channels, in each of which a heating coil or a Walkerwarelabsacrificing is arranged, which can be electrically connected via sockets 40 to an external power supply.
  • the heating block 4 is preferably positioned upright in the housing 2, so that its heating channels extend parallel to the vertical axis 30 of the instantaneous heater 1.
  • It has a cold water inlet 42 for the supply of cold water and a hot water outlet 44 for removing the heated water, which are arranged in a central housing portion 46 and in particular in the region of the transverse axis 48 of the heating block 4, so that when unpressurized operation of the heating block 4 at least up to half filled with water.
  • the housing-side connecting pieces 32, 34 of the cold water inlet 42 is arranged to the right of the device vertical axis 30 and the hot water outlet 44 to the left of the device vertical axis 26.
  • an internal piping system is provided which in the embodiment shown, starting from the cold water inlet 42 and the hot water outlet 44, two approximately vertically downwardly extending tubes 50, 52nd which are each detachably connected to cold water inlet 42 and the free end portion 36 of the cold water connection piece 32 and the hot water outlet 44 and the free end portion 36 of the hot water connection piece 34.
  • FIG. 2 shows the instantaneous water heater 1 according to the invention in a vertical mounting position as a table unit, in which it is positioned below not shown wall-side fittings. According to the instantaneous water heater 1 is not in a head position, but he is upright in the off FIG. 1 aligned to known position.
  • the two upper bores 14, 16 are now occupied by the connecting pieces 32, 34 and the two lower bores 10, 12 are closed, each with a lid.
  • the cold water connection pipe 32 is also on the right side of the housing and the hot water connection piece 34 on the left side of the housing, so that the page assignment of the connecting pieces 32, 34 of the instantaneous water heater 1 according to the invention does not change regardless of the version as a lower or Overtischphase and the orientation of the connection piece 32, 34 corresponds to the orientation of the usual wall-mounted fittings even in the illustrated use of the water heater 1 as an undercounter unit.
  • the pipes 50, 52 of the piping system are pivoted in accordance with the arrangement of the connecting pieces 32, 34 in the upper holes 14, 16 by 180 ° and now starting from the heater block side cold water inlet 42 and the hot water outlet 44 approximately vertically directed upwards and with the connecting piece 32, 34 fluidly connected.
  • the pairs of bores have the same distance to the cold water inlet 42 and the hot water outlet 44.
  • an electric water heater for heating water comprising a housing and a housing arranged in the heating block, which can be traversed by the water and having a water inlet and a water outlet, which are in fluid communication with a cold water inlet or a hot water outlet of the housing, characterized in that the housing in a vertical mounting position has an upper and a lower pair of holes whose holes are assigned to each of the cold water inlet and the hot water supply, wherein an internal piping system for fluid interconnection of positioned in the respective hole cold water inlet to the water inlet and the water outlet is provided with the positioned in the respective hole hot water spout.
  • the electric instantaneous water heater is used to provide hot water. These electric instantaneous water heaters can be used in kitchens, bathrooms or lavatories for homes or commercial premises, so that a user can be supplied with hot water.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Central Heating Systems (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Claims (7)

  1. Chauffe-eau instantané électrique (1) destiné à échauffer de l'eau, comprenant un boîtier (2) et comprenant un bloc de chauffage (4) disposé dans le boîtier (2), lequel peut être traversé par l'eau et présente une entrée d'eau (42) ainsi qu'une sortie d'eau (44) qui sont en liaison fluidique avec une entrée d'eau froide (32) resp. une sortie d'eau chaude (34) du boîtier (2), caractérisé en ce que le boîtier (2), dans une position de montage verticale, présente une paire de trous supérieurs et une paire de trous inférieurs, dont les trous (10, 12, 14, 16) peuvent être respectivement affectés à l'arrivée d'eau froide (32) et à la sortie d'eau chaude (34), un système de tuyauteries interne (50, 52) étant ménagé pour la connexion fluidique de l'arrivée d'eau froide (32), positionnée dans le trou respectif (10, 12, 14, 16), avec l'arrivée d'eau (42) et de la sortie d'eau (44) avec la sortie d'eau chaude (34) positionnée dans le trou respectif (10, 12, 14, 16).
  2. Chauffe-eau instantané électrique selon la revendication 1, l'arrivée d'eau froide (32) et la sortie d'eau chaude (34) étant réalisées comme tubulures de raccordement (32, 34) qui sont fixées de manière amovible dans les trous (10, 12, 14, 16) au moyen d'adhérence de forme.
  3. Chauffe-eau instantané électrique selon la revendication 1 ou 2, le système de tuyauteries présentant au moins deux tubes déplaçables (50, 52) dont un tube (50) établit une liaison fluidique entre l'arrivée d'eau froide (32) et l'entrée d'eau (42) et l'autre tube (52) établit une liaison fluidique entre la sortie d'eau (44) et la sortie d'eau chaude (34).
  4. Chauffe-eau instantané électrique selon la revendication 1 ou 2, le système de tuyauteries présentant deux tuyaux flexibles dont un tuyau (50) établit une liaison fluidique entre l'arrivée d'eau froide (32) et l'entrée d'eau (42) et l'autre tube (52) établit une liaison fluidique entre la sortie d'eau (44) et la sortie d'eau chaude (34).
  5. Chauffe-eau instantané électrique selon l'une quelconque des revendications précédentes, l'entrée d'eau (42) et la sortie d'eau (44) étant positionnées dans une zone située au-dessus de l'axe transversal (48) du bloc de chauffage (4).
  6. Chauffe-eau instantané électrique selon l'une quelconque des revendications précédentes, les paires de trous étant placées dans des parois latérales (22, 24) du boîtier (2), détournées l'une de l'autre.
  7. Chauffe-eau instantané électrique selon la revendication 6, les paires de trous formant deux axes de trous communs (26, 28).
EP11724587.8A 2010-06-15 2011-05-26 Chauffe-eau instantané électrique Not-in-force EP2585769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010030099A DE102010030099A1 (de) 2010-06-15 2010-06-15 Elektrischer Durchlauferhitzer
PCT/EP2011/058660 WO2011157526A2 (fr) 2010-06-15 2011-05-26 Chauffe-eau instantané électrique

Publications (2)

Publication Number Publication Date
EP2585769A2 EP2585769A2 (fr) 2013-05-01
EP2585769B1 true EP2585769B1 (fr) 2015-04-01

Family

ID=44626937

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11724587.8A Not-in-force EP2585769B1 (fr) 2010-06-15 2011-05-26 Chauffe-eau instantané électrique

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Country Link
EP (1) EP2585769B1 (fr)
DE (1) DE102010030099A1 (fr)
WO (1) WO2011157526A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024020174A1 (fr) * 2022-07-22 2024-01-25 Bradford White Corporation Système et procédé de convertibilité de raccordement d'eau
EP4428470A1 (fr) * 2023-03-10 2024-09-11 Stiebel Eltron GmbH & Co. KG Système de pompe à chaleur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012013342B4 (de) * 2012-07-06 2025-12-31 Stiebel Eltron Gmbh & Co. Kg Heizblock

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8806480U1 (de) * 1988-05-18 1988-07-07 Stiebel Eltron Gmbh & Co Kg, 3450 Holzminden Elektrischer Durchlauferhitzer
AT395213B (de) * 1988-09-09 1992-10-27 Vaillant Gmbh Beheizbarer speicherbehaelter
DE102010043933A1 (de) * 2010-11-15 2012-05-16 BSH Bosch und Siemens Hausgeräte GmbH Gehäuse und elektrischer Durchlauferhitzer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024020174A1 (fr) * 2022-07-22 2024-01-25 Bradford White Corporation Système et procédé de convertibilité de raccordement d'eau
EP4428470A1 (fr) * 2023-03-10 2024-09-11 Stiebel Eltron GmbH & Co. KG Système de pompe à chaleur

Also Published As

Publication number Publication date
EP2585769A2 (fr) 2013-05-01
WO2011157526A2 (fr) 2011-12-22
WO2011157526A3 (fr) 2012-09-20
DE102010030099A1 (de) 2011-12-15

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